CVE-2021-26271 describes a Regular Expression Denial of Service (ReDoS) vulnerability in CKEditor 4 versions prior to 4.16, which also impacts Oracle products utilizing affected CKEditor versions. An attacker could exploit this by convincing a user to paste specially crafted text into the Styles input of specific dialogs, leading to a denial of service. This vulnerability has a medium severity CVSS score of 6.5, indicating a low attack complexity but requiring user interaction, with a high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.0, < 4.16CPE matchmatch criteria | cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:* | ||
9.3.5CPE matchmatch criteria | cpe:2.3:a:oracle:agile_plm:9.3.5:*:*:*:*:*:*:* | ||
9.3.6CPE matchmatch criteria | cpe:2.3:a:oracle:agile_plm:9.3.6:*:*:*:*:*:*:* | ||
< 21.1.0CPE matchmatch criteria | cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:* | ||
>= 8.0.6, <= 8.0.9CPE matchmatch criteria | cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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